Home / 158,825.75-219,183.06-87,206.05

Finding the Fourth Proportional to 158,825.75, 219,183.06 and 87,206.05

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Solution

The fourth proportional to 158,825.75, 219,183.06 and 87,206.05 is: 120,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,825.75 : 219,183.06 = 87,206.05 : x
  2. Step 2: Convert to fraction form
    158,825.75/219,183.06 = 87,206.05/x
  3. Step 3: Cross multiply
    158,825.75x = 219,183.06 × 87,206.05
  4. Step 4: Simplify right side
    158,825.75x = 19,114,089,490.51
  5. Step 5: Solve for x
    x = 19,114,089,490.51/158,825.75
  6. Step 6: Final answer
    x = 120,346.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.